S-91223A235 1/2"-13 x 3/4" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine or chemical processing.
• Superior torque transmission and reduced headspace thanks to the ultra-low socket head profile and 1/4" hex drive, ensuring secure fastening in confined areas.
• High mechanical strength and durability with 70,000 psi tensile strength and Rockwell B70 hardness, providing reliable performance under heavy loads.
• Precise and reliable thread engagement with Class 2A thread fit and UNC coarse threading, facilitating quick assembly and reducing cross-threading risks.
• Compliance with stringent environmental regulations, including RoHS 3 and REACH, ensuring safety and sustainability in global supply chains.
• Optimized for demanding applications with a fully threaded 3/4" length and right-hand thread direction, offering versatility in industrial settings.
• Consistent dimensional accuracy with tight head diameter tolerance (-0.005" to 0.005"), ensuring uniform performance and ease of installation.

Professional Applications & Engineering Value

Engineered for high-stress and corrosive environments, this 316 stainless steel socket head cap screw addresses common industrial challenges such as fastener failure due to moisture, chemicals, or heavy vibration. The ultra-low head profile minimizes protrusion, making it perfect for compact machinery and equipment where space is limited. With UNC coarse threads and Class 2A fit, it ensures rapid, secure assembly in applications like automotive manufacturing, marine hardware, and processing plants, reducing downtime and maintenance costs. The combination of 70,000 psi tensile strength and Rockwell B70 hardness provides long-term reliability, while the right-hand thread direction supports standard tooling for efficient operations.

Specification Summary & Compliance

This socket head cap screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy, including a head diameter tolerance of -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use. The specifications cover a thread size of 1/2"-13, length of 3/4", and full threading, supporting consistent performance in regulated applications.